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perf(elm): Lazy eval elm (#2167) 

* perf(elm): evaluate version lazily

* fix(elm): update format string

* fix: use suggested format string

Co-authored-by: Moritz Vetter <mv@3yourmind.com>
This commit is contained in:
Moritz Vetter 2021-01-20 18:49:26 +01:00 committed by GitHub
parent 527ffbaede
commit b065758b1c
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3 changed files with 17 additions and 16 deletions
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4
docs/config/README.md
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@ -849,8 +849,8 @@ The module will be shown if any of the following conditions are met:
### Options ### Options
| Option | Default | Description | | Option | Default | Description |
| ---------- | ---------------------------------- | ----------------------------------------------- | | ---------- | ------------------------------------ | ----------------------------------------------- |
| `format` | `"via [$symbol$version]($style) "` | The format for the module. | | `format` | `"via [$symbol($version )]($style)"` | The format for the module. |
| `symbol` | `"🌳 "` | A format string representing the symbol of Elm. | | `symbol` | `"🌳 "` | A format string representing the symbol of Elm. |
| `style` | `"cyan bold"` | The style for the module. | | `style` | `"cyan bold"` | The style for the module. |
| `disabled` | `false` | Disables the `elm` module. | | `disabled` | `false` | Disables the `elm` module. |

2
src/configs/elm.rs
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@ -13,7 +13,7 @@ pub struct ElmConfig<'a> {
impl<'a> RootModuleConfig<'a> for ElmConfig<'a> { impl<'a> RootModuleConfig<'a> for ElmConfig<'a> {
fn new() -> Self { fn new() -> Self {
ElmConfig { ElmConfig {
format: "via [$symbol$version]($style) ", format: "via [$symbol($version )]($style)",
symbol: "🌳 ", symbol: "🌳 ",
style: "cyan bold", style: "cyan bold",
disabled: false, disabled: false,

9
src/modules/elm.rs
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@ -24,9 +24,6 @@ pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
return None; return None;
} }
let elm_version = utils::exec_cmd("elm", &["--version"])?.stdout;
let module_version = Some(format!("v{}", elm_version.trim()))?;
let mut module = context.new_module("elm"); let mut module = context.new_module("elm");
let config: ElmConfig = ElmConfig::try_load(module.config); let config: ElmConfig = ElmConfig::try_load(module.config);
@ -41,7 +38,11 @@ pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
_ => None, _ => None,
}) })
.map(|variable| match variable { .map(|variable| match variable {
"version" => Some(Ok(&module_version)), "version" => {
let elm_version = utils::exec_cmd("elm", &["--version"])?.stdout;
let module_version = Some(format!("v{}", elm_version.trim()))?;
Some(Ok(module_version))
}
_ => None, _ => None,
}) })
.parse(None) .parse(None)